Pharos built a multi-chain wallet for storing, sending and managing digital assets.
Product ownership and on-chain rules
web3 dapp developers for teams comparing dapp development companies: dapp development service, dapps development solution and dapp development solutions
Pharos Production builds dApps that combine on-chain business rules with wallet interfaces and off-chain services. We scope architecture, implementation, testing and release handover for new products and existing codebases. The engagement defines code ownership, external review responsibilities and post-launch support before work begins.
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Case Study
Our dapps and adjacent digital-asset engagements cover wallets, reputation data and compliance operations. Each blockchain case below links a business task to the component Pharos delivered. The examples show different responsibilities; they are not identical product scopes.
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Pharos implemented a cross-chain reputation system combining event processing, soulbound NFT-based scores and APIs.
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Pharos built a flow builder, forms, service integrations and a risk engine connected to an Action Center for human review.
Project evidence and delivery constraints
| Context | Business task | Boundary to define |
|---|---|---|
| Financial products | Let users hold assets and authorize transfers. | Custody, signing and transaction status. |
| Creator commerce | Issue or trade digital items. | Ownership rules, settlement and private customer data. |
| Communities and membership | Use reputation or ownership to control access. | Public proofs, personal data and off-chain decisions. |
PumpTap wallet
Pharos built a multi-chain wallet for storing, sending and managing digital assets. The delivered scope includes event-driven transaction and balance updates, with modular adapters for supported networks. The PumpTap project overview describes the customer interface and supporting architecture.
Ludo reputation system
Pharos implemented a cross-chain reputation system combining event processing, soulbound NFT-based scores and APIs. Users access it through web, browser and Telegram interfaces. The Ludo project overview explains the delivered data pipeline and application surfaces.
Ludera compliance operations
Pharos built a flow builder, forms, service integrations and a risk engine connected to an Action Center for human review. This is operational infrastructure around digital assets. The Ludera delivery scope describes the controls and recurring oversight workflow.
blockchain dapp development services web3 dapp development services Our range of dapp development services
We deliver a product specification, implementation and operating handover as an agreed scope. The workstreams below separate application work, transaction rules and external connections so you can identify included outputs and responsibilities.
custom dapp development services
We turn product rules into a specification, working interfaces and a handover package for end-to-end dapp development. For defi dapp development, the specification records asset flows and who can change the rules. You review those decisions before implementation.
For nft marketplace development, the scope defines listing rules, royalties and settlement behavior. It also covers how a buyer recovers from an interrupted checkout.
decentralized app development services
Our smart contract development services cover on-chain implementation and its connections to wallet interfaces and the application backend. We document which actions belong to users and which require operator permissions.
The interface shows pending, failed and confirmed transactions. Signing requests need to explain the action before the user approves it. Those states become acceptance scenarios for review with your product owner.
decentralized application development services
We connect your application to existing systems and document each dapp integration through its data owner and failure behavior. Identity checks, payment services and business systems each need defined access boundaries.
Your delivery plan identifies who supplies credentials and representative test data. It also records the retry behavior to verify when an external connection is unavailable.
How we provide dapp development services
You receive a scope proposal with included deliverables and acceptance criteria before implementation. Start with a discovery engagement or bring an existing specification for review.
Working increments let you check the result against those criteria. The handover includes repositories and environment setup instructions. Optional services are estimated separately, and changes to asset rules or external dependencies trigger a scope discussion.
scalable decentralized applications
Decentralized applications combine on-chain rules with user interfaces and services that can remain off-chain. A scalable design separates read-heavy screens and background tasks from transactions that need shared verification. Application responsiveness and network transaction capacity are separate acceptance criteria.
The benefits of dapp ownership depend on the decisions users need to make independently. The Ethereum introduction to decentralized apps explains the public execution model and its constraints.
- Verifiable rules
- Users can inspect public code and state. Permissions, external inputs and upgrade authority still affect what they can trust.
- Portable assets
- Compatible applications can share assets or records when the custody model and implemented standards allow it.
- Shared decisions
- Independent participants can use common transaction rules when those decisions can be expressed on-chain.
A dapp and blockchain architecture should keep private customer records outside public transaction state. Use an ordinary database when a single operator and conventional access controls meet the product requirements.
Pharos Verified Delivery
Agree the scope, review working increments and accept the release with its handover evidence.
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Phase 01 / 04 Scope agreed
Product rules, delivery boundaries and acceptance criteria.
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Phase 02 / 04 Working increments
Review the implementation against agreed scenarios.
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Phase 03 / 04 Release decision
Record checks, remaining limitations and the release owner.
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Phase 04 / 04 Handover
Confirm source access, operating instructions and support responsibilities.
Security checks and release acceptance
Release checks connect the measures to protect your dapp to repeatable evidence and a named decision owner. The audit scope identifies the reviewed source version, included components and open findings. Internal testing and independent external assessment remain separate workstreams.
| Check | Evidence to retain | Decision owner |
|---|---|---|
| Permissions | Negative tests show that unauthorized callers cannot perform restricted actions. | Implementation lead |
| Asset and dependency behavior | Scenario results cover state changes, delayed inputs and failed integrations. | Engineering and QA |
| Review findings | The findings register records fixes, retests and explicitly accepted limitations. | Client release owner |
Test smart contract permissions against the agreed asset flows. Check smart contract behavior when external data is delayed or unavailable. Review smart contract upgrade authority with the product owner. These checks follow the risk areas described in Ethereum security guidance; the exact tests must match your specification.
Define optimal dapp performance through agreed latency, error and recovery thresholds. For dapps with public transactions, separate interface failures from chain-level failures. A passing test run does not remove operating risk. The release decision records remaining limitations and the person accepting them.
Technical references
The Solidity language reference supports implementation decisions. A source link provides background; your acceptance evidence must still identify the behavior and version tested.
About the Founder
Pharos Production is led by Dmytro Nasyrov, Founder and CTO, who designs and builds the company's software solutions, from lightweight apps to high-load distributed systems and blockchain platforms.
Founder and CTO Pharos Production
I design and build reliable software solutions - from lightweight apps to high-load distributed systems and blockchain platforms.
PhD in Artificial Intelligence, MSc in Computer Science (with honors), MSc in Electronics & Precision Mechanics.
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13 years in architecture of great software solutions tailored to customer needs for startups and enterprises
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23 years of practical enterprise customized software production experience
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Lecturer at the National Kyiv Polytechnic University
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Doctor of Philosophy in Artificial Intelligence
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Master's degree in Computer Science, completed with excellence
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Master's degree in Electronics and precision mechanics engineering
Choosing a leading blockchain development company
Compare dapp development companies using the same scope and acceptance criteria. When evaluating app development companies in usa, confirm the contracting entity and who will actually do the work. Ask when you can speak to the assigned engineers and how decisions will be documented.
How to choose the best dapp development company
Choose a dapp software development company that can show a relevant specification and a sample handover. Check whether another engineer could follow its setup instructions and trace an accepted requirement to the delivered code. Put ownership of repositories and production access in the contract.
What makes a leading dapp development company?
A trusted dapp development company supports its claims with work you can inspect. Ask a web3 development company for a relevant case and the role it actually performed. Confirm whether the proposed engineers delivered that work or are using it as background experience.
Comparing a blockchain dapp development company and a decentralized app development company
Ask a decentralized application development company to mark the on-chain and off-chain responsibilities in an architecture diagram. A blockchain development firm should identify who operates each dependency and who investigates a failed transaction. Use those boundaries to compare proposals with different agency labels.
What does top dapp development require?
Request a release checklist that connects acceptance criteria to repeatable evidence. Check who approves unresolved risks and whether the handover lets your engineers reproduce the release. The proposal should also explain how a disputed scope item becomes a documented decision.
Choose your project scope
Pharos Production scopes engagements in three tiers, Proof of concept, First release and Production expansion, with budgets tailored to scope and complexity.
Proof of concept
Proof of concept
Resolve one bounded technical uncertainty.
Request an estimate
First release
First release
Implement agreed user journeys and integrations.
Request an estimate
Production expansion
Production expansion
Extend the existing system and migration coverage.
Request an estimate
Your estimate follows a review of the product rules, existing code and external dependencies. The proposal defines deliverables, effort and delivery assumptions.
Budget, timing and scope boundaries
Budget and delivery time are estimated for the agreed scope after a review of the product rules, current code and external dependencies. The cost of dapp development changes with the work required for the first release and its operating needs. For a shared platform, distinguish that release from later products and ongoing support.
| Starting point | Work to estimate | Dependency affecting timing |
|---|---|---|
| Proof of concept | Resolve one bounded technical uncertainty. | Representative test data and a decision maker. |
| First release | Implement agreed user journeys and integrations. | Design approval, credentials and third-party availability. |
| Production expansion | Extend the existing system and migration coverage. | Repository quality, existing state and transition requirements. |
Your proposal should state the included deliverables, estimated effort and delivery window. It also identifies review periods and client decisions that affect the schedule. Discovery can expose missing requirements, so record assumptions before treating an estimate as a commitment.
Confirm network fees and third-party subscriptions separately from implementation work. External security review needs its own scope and scheduling. Bring an existing repository or a product brief so the estimate can distinguish work already completed from work still required.
A template or a dedicated build?
A dapps development company should explain which parts of your product need original code and which can use established tools. For dapps with standard ownership rules, compare the cost of maintaining a dedicated build with the limits of an existing tool.
Use a template when its permissions and update model fit your product. Commission original components when those constraints would force you to change the business model. A prototype can resolve that decision before you fund a wider build.
| Decision | Existing tool | Dedicated build |
|---|---|---|
| Rules | Accept the supported settings. | Specify and maintain original behavior. |
| Ownership | Check export and upgrade limits. | Agree source access and handover. |
| Operations | Understand vendor dependencies. | Assign infrastructure and incident owners. |
Interaction models
Staff augmentation
Add engineers to your existing group. Your technical leads direct the work and own the backlog.
Popular choice
Dedicated team
Agree the delivery roles, backlog owner and review cadence for an ongoing product.
Scoped engagement
Define deliverables and acceptance criteria before implementation. Review scope changes before scheduling them.
hire dapp developers
Choose a development partner by the responsibilities you want to retain. With staff augmentation, your engineers direct the work. A dedicated delivery group needs a backlog owner and an agreed review cadence. A bounded engagement defines the deliverables and acceptance procedure before implementation.
An app development agency should identify the engineers assigned to your scope and who can approve a change. Ask how knowledge transfers to your staff and which production responsibilities remain with the client.
Teams operating dapps need a named support owner after release. Technical leadership at Pharos Production is led by Dmytro Nasyrov, Founder and CTO. Confirm the actual roles and availability in your proposal.
35+ technologies
Technologies, tools and frameworks we use
Select the network, execution environment and supporting infrastructure for your product requirements.
Our engineers work with 35+ technologies across 1 categories: Blockchains.
- Blockchains: Private and Public Blockchains: Ethereum, TON, Corda, Tron, Hedera, Stellar, Solana, Arbitrum, Binance Smart Chain (BSC), Sei, Celo, Hyperledger, MultiversX, IOTA, Polkadot, Aptos, Neo, Flow, Algorand, Avalanche, Vaulta (formerly EOS), Optimism, Polygon, Cosmos, Sui, Tezos, Ontology, Fantom, NEAR Protocol, VeChain, Base, IPFS; Cloud Blockchain Solutions: Amazon Managed Blockchain, IBM Blockchain (legacy), Oracle Blockchain
Blockchains
Private and Public Blockchains 32
Ethereum
TON
Corda
Tron
Hedera
Stellar
Solana
Arbitrum
Binance Smart Chain (BSC)
Sei
Celo
Hyperledger
MultiversX
IOTA
Polkadot
Aptos
Neo
Flow
Algorand
Avalanche
Vaulta (formerly EOS)
Optimism
Polygon
Cosmos
Sui
Tezos
Ontology
Fantom
NEAR Protocol
VeChain
Base
IPFS
Cloud Blockchain Solutions 3
Amazon Managed Blockchain
IBM Blockchain (legacy)
Oracle Blockchain
Discuss your stack requirements
dapp development platforms: selecting a blockchain platform and blockchain network
Choose the network by required transaction behavior, wallet access and operating dependencies. Compare blockchain technologies against your asset model before committing to an ecosystem. Ethereum, Solana and Polygon are candidates to assess, rather than interchangeable deployment targets.
| Requirement | Evidence to request | Product consequence |
|---|---|---|
| Asset rules | Check existing assets, standards and required execution behavior. | Compatibility may narrow the options before implementation. |
| User access | Rehearse signing, fees and confirmation with the intended wallets. | The selected platform must support the actual user journey. |
| Data and recovery | Test reads, event replay and infrastructure failure. | For each platform, identify the operator and recovery responsibility. |
Platform selection also affects who pays transaction fees. Review blockchain data visibility before deciding what can be stored on-chain. Define blockchain transaction finality assumptions in the acceptance criteria; the interface needs an agreed way to represent a pending or reversed state.
For dapps that depend on indexing, include recovery from missed events in the operating plan. Reserve development using solidity for components where the chosen execution environment supports that language. Record dependency versions and build instructions so another engineer can reproduce the release.
Published recognition
Partnerships and awards
Selected badges from Clutch, GoodFirms and The Manifest. Open the issuer profiles to review categories and dates.
An approach to the development cycle
dapp development process: how we develop dapps
The work moves through discovery, a prototype, implementation and release handover. Each stage ends with an agreed artifact and an acceptance decision. An agile development approach keeps working increments available for review. Compared with a conventional app development process, deployment also needs explicit ownership of keys and upgrade permissions.
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Discovery
Map the asset flows and user journeys. The output is a specification, delivery boundary and register of unresolved decisions.
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Prototype
Exercise the interaction carrying the greatest uncertainty. Review a signing flow or external connection with representative users and test data.
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Implementation
Deliver working increments with repeatable checks. Keep the acceptance evidence and record scope changes before scheduling them.
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Release and handover
Rehearse deployment and confirm production access with the client. Transfer operating instructions after the named owner accepts the release evidence.
A dapp development team for reliable dapp development
Your delivery group covers technical leadership, implementation and QA, with a client product owner responsible for acceptance. The technical lead resolves architecture questions; engineers build the on-chain code and interfaces; QA verifies agreed scenarios. Roles may be combined depending on the engagement, so confirm the actual people and availability in the proposal.
Document blockchain release dependencies before approval. For dapps that handle assets, identify who holds production keys and who can authorize an emergency change.
From dapp solutions to launching your dapp
The handover includes the approved source version and the instructions needed to operate it. Agree which repositories, configuration templates and deployment steps your team will receive. Record access owners and monitoring responsibilities alongside recovery instructions.
The final acceptance record identifies tested user journeys, unresolved limitations and the person authorizing launch. Confidential credentials move through an agreed secure channel. Support coverage is confirmed separately from completion of the build.
Related blog posts
Guide to the Web3 Stack for Developers in 2026
Wallets, indexing, storage and operating dependencies in a connected application.
How to Build a DeFi Protocol in 2026: Architecture and Security
Architecture, asset flows and review decisions for an on-chain financial product.
Delivery planning by project type
A guide to release stages, external dependencies and the decisions that affect a delivery estimate.
Ownership, migration and support questions
FAQ
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Review these answers before agreeing ownership, migration and ongoing support.
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Who receives the source code and operating access?
The statement of work should identify the repositories, documentation and credentials included in handover. Agree ownership and access before work starts.
Production permissions require a named client owner; secrets should move through an agreed secure channel.
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Can an existing product move to another network?
Start by reviewing asset state, external dependencies and user access. A move may require migration tooling and a transition period.
We assess the current system before estimating that work; a new deployment address alone does not complete a migration.
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What happens after the first release?
Pharos supports and maintains its delivered projects. Basic support is available 24/7 for server restarts and incident intake or escalation.
Developer support for bug fixes, new features and performance work runs during EET/CET business hours. Your engagement defines the covered systems, response terms and who may authorize production changes. Coverage does not establish a fixed resolution time. Confirm third-party expenses and feature estimates in the agreement.
Discuss your product scope
Work with a dapp development company offering a defined scope and a clear handover plan. Share the product goal and current repository, if one exists. Include the decisions that are already fixed and the constraints you need us to investigate.
Request an NDA before sharing confidential material. We will follow up about scope and next steps using the contact details you provide.
Contact for your dApp project
Share the product goal, current repository and constraints. Request an NDA before sharing confidential material.
What happens next?
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Contact us
Contact us today to discuss your project. We're ready to review your request promptly and guide you on the best next steps for collaboration
Same day -
NDA
We're committed to keeping your information confidential, so we'll sign a Non-Disclosure Agreement
1 day -
Plan the Goals
After we chat about your goals and needs, we'll craft a comprehensive proposal detailing the project scope, team, timeline and budget
3-5 days -
Finalize the Details
Let's connect on Google Meet to go through the proposal and confirm all the details together!
1-2 days -
Sign the Contract
As soon as the contract is signed, our dedicated team will jump into action on your project!
Same day